Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Takahashi Masao,The Tertiary Industry and National Income,經濟學研究,0022975X,"Society of Political Economy, Kyushu University",1964-02-25,29,5/6,27-47,https://cir.nii.ac.jp/crid/1390854107978250496,https://doi.org/10.15017/4403346